<template>
	<view>
		<view class="content" @touchstart="hideDrawer">
			<scroll-view class="msg-list" scroll-y="true" :scroll-with-animation="scrollAnimation" :scroll-top="scrollTop" :scroll-into-view="scrollToView" @scrolltoupper="loadHistory" upper-threshold="50">
				<!-- 加载历史数据waitingUI -->
				<view class="loading" v-if="showLoadingFlag">
					<view class="spinner" >
						<view class="rect1"></view>
						<view class="rect2"></view>
						<view class="rect3"></view>
						<view class="rect4"></view>
						<view class="rect5"></view>
					</view>
				</view>
				<view class="row" v-for="(row,index) in msgList" :key="index" :id="'msg'+row.msg.id">
					<!-- 系统消息 -->
					<block v-if="row.type=='system'" >
						<view class="system">
							<!-- 文字消息 -->
							<view v-if="row.msg.type=='text'" class="text">
								{{row.msg.content.text}}
							</view>
							<!-- 领取红包消息 -->
							<view v-if="row.msg.type=='redEnvelope'" class="red-envelope">
								<image src="/static/img/red-envelope-chat.png"></image>
								{{row.msg.content.text}}
							</view>
						</view>
					</block>
					<!-- 用户消息 -->
					<block v-if="row.type=='user'">
						<!-- 自己发出的消息 -->
						<view class="my" v-if="row.msg.userinfo.uid==myuid">
							<!-- 左-消息 -->
							<view class="left">
								<!-- 文字消息 -->
								<view v-if="row.msg.type=='text'" class="bubble">
									<rich-text :nodes="row.msg.content.text"></rich-text>
								</view>
								<!-- 语言消息 -->
								<view v-if="row.msg.type=='voice'" class="bubble voice" @tap="playVoice(row.msg)" :class="playMsgid == row.msg.id?'play':''">
									<view class="length">{{row.msg.content.length}}</view>
									<view class="icon my-voice"></view>
								</view>
								<!-- 图片消息 -->
								<view v-if="row.msg.type=='img'" class="bubble img" @tap="showPic(row.msg)">
									<image :src="row.msg.content.url" :style="{'width': row.msg.content.w+'px','height': row.msg.content.h+'px'}"></image>
								</view>
								<!-- 红包 -->
								<view v-if="row.msg.type=='redEnvelope'" class="bubble red-envelope" @tap="openRedEnvelope(row.msg,index)">
									<image src="/static/img/red-envelope.png"></image>
									<view class="tis">
										<!-- 点击开红包 -->
									</view>
									<view class="blessing">
										{{row.msg.content.blessing}}
									</view>
								</view>
								
							</view>
							<!-- 右-头像 -->
							<view class="right">
								<image :src="row.msg.userinfo.face"></image>
							</view>
						</view>
						<!-- 别人发出的消息 -->
						<view class="other" v-if="row.msg.userinfo.uid!=myuid">
							<!-- 左-头像 -->
							<view class="left">
								<image :src="row.msg.userinfo.face"></image>
							</view>
							<!-- 右-用户名称-时间-消息 -->
							<view class="right">
								
								<view class="username">
									<!-- <view class="name">{{row.msg.userinfo.username}}</view> -->
									 <view class="time">{{row.msg.time}}</view>
								</view>
								<!-- 文字消息 -->
								<view v-if="row.msg.type=='text'" class="bubble">
									<rich-text :nodes="row.msg.content.text"></rich-text>
								</view>
								<!-- 语音消息 -->
								<view v-if="row.msg.type=='voice'" class="bubble voice" @tap="playVoice(row.msg)" :class="playMsgid == row.msg.id?'play':''">
									<view class="icon other-voice"></view>
									<view class="length">{{row.msg.content.length}}</view>
								</view>
								<!-- 图片消息 -->
								<view v-if="row.msg.type=='img'" class="bubble img" @tap="showPic(row.msg)">
									<image :src="row.msg.content.url" :style="{'width': row.msg.content.w+'px','height': row.msg.content.h+'px'}"></image>
								</view>
								<!-- 红包 -->
								<view v-if="row.msg.type=='redEnvelope'" class="bubble red-envelope" @tap="openRedEnvelope(row.msg,index)">
									<image src="/static/img/red-envelope.png"></image>
									<view class="tis">
										<!-- 点击开红包 -->
									</view>
									<view class="blessing">
										{{row.msg.content.blessing}}
									</view>
								</view>
							</view>
						</view>
					</block>
				</view>
			</scroll-view>
		</view>
		<!-- 抽屉栏 -->
		<view class="popup-layer" :class="popupLayerClass" @touchmove.stop.prevent="discard">
			<!-- 表情 --> 
			<swiper class="emoji-swiper" :class="{hidden:hideEmoji}" indicator-dots="true" duration="150">
				<swiper-item v-for="(page,pid) in emojiList" :key="pid">
					<view v-for="(em,eid) in page" :key="eid" @tap="addEmoji(em)">
						<image mode="widthFix" :src="'https://rzkeji.oss-cn-shenzhen.aliyuncs.com/web/bbMachine/emoji/'+em.url"></image>
					</view>
				</swiper-item>
			</swiper>
			<!-- 更多功能 相册-拍照-红包 -->
			<view class="more-layer" :class="{hidden:hideMore}">
				<view class="list">
					<view class="box" @tap="chooseImage"><view class="icon tupian2"></view></view>
					<view class="box" @tap="camera"><view class="icon paizhao"></view></view>
					<!-- <view class="box" @tap="handRedEnvelopes"><view class="icon hongbao"></view></view> -->
				</view>
			</view>
		</view>
		<!-- 底部输入栏 -->
		<view class="input-box" :class="popupLayerClass" @touchmove.stop.prevent="discard">
			<!-- H5下不能录音，输入栏布局改动一下 -->
			<!-- #ifndef H5 -->
			<!-- <view class="voice">
				<view class="icon" :class="isVoice?'jianpan':'yuyin'" @tap="switchVoice"></view>
			</view> -->
			<!-- #endif -->
			<!-- #ifdef H5 -->
			<view class="more" @tap="showMore">
				<view class="icon add"></view>
				
			</view>
			<!-- #endif -->
			<view class="textbox">
				<view class="voice-mode" :class="[isVoice?'':'hidden',recording?'recording':'']" @touchstart="voiceBegin" @touchmove.stop.prevent="voiceIng" @touchend="voiceEnd" @touchcancel="voiceCancel">{{voiceTis}}</view>
				<view class="text-mode"  :class="isVoice?'hidden':''">
					<view class="box">
						<textarea auto-height="true" v-model="textMsg" @focus="textareaFocus" cursor-spacing="50rpx"/>
					</view>
					<view class="em" @tap="chooseEmoji">
						<!-- <view class="icon biaoqing"></view> -->
						<image class="smileBtn" src="https://rzkeji.oss-cn-shenzhen.aliyuncs.com/web/bbMachine/chatSmile.png"></image>
					</view>
				</view>
			</view>
			<!-- #ifndef H5 -->
			<view class="more" @tap="showMore">
				<!-- <view class="icon add"></view> -->
				<image class="smileBtn" src="https://rzkeji.oss-cn-shenzhen.aliyuncs.com/web/bbMachine/chatAdd.png"></image>
			</view>
			<!-- #endif -->
			<view class="send" :class="isVoice?'hidden':''" @tap="sendText">
				<view class="btn">发送</view>
			</view>
		</view>
		<!-- 录音UI效果 -->
		<view class="record" :class="recording?'':'hidden'">
			<view class="ing" :class="willStop?'hidden':''"><view class="icon luyin2" ></view></view>
			<view class="cancel" :class="willStop?'':'hidden'"><view class="icon chehui" ></view></view>
			<view class="tis" :class="willStop?'change':''">{{recordTis}}</view>
		</view>
		<!-- 红包弹窗 -->
		<view class="windows" :class="windowsState">
			<!-- 遮罩层 -->
			<view class="mask" @touchmove.stop.prevent="discard" @tap="closeRedEnvelope"></view>
			<view class="layer" @touchmove.stop.prevent="discard">
				<view class="open-redenvelope">
					<view class="top">
						<view class="close-btn">
							<view class="icon close" @tap="closeRedEnvelope"></view>
						</view>
						<image src="/static/img/im/face/face_1.jpg"></image>
					</view>
					<view class="from">来自{{redenvelopeData.from}}</view>
					<view class="blessing">{{redenvelopeData.blessing}}</view>
					<view class="money">{{redenvelopeData.money}}</view>
					<view class="showDetails" @tap="toDetails(redenvelopeData.rid)">
						查看领取详情 <view class="icon to"></view>
					</view>
				</view>
			</view>

		</view>
	</view>
</template>
<script>
	export default {
		data() {
			return {
				showLoadingFlag:true,//显示loading状态
				pollingInterval:'',//轮询
				userInfo:{},
				page:1,
				userId:'',
				//文字消息
				textMsg:'',
				//消息列表
				isHistoryLoading:false,
				scrollAnimation:false,
				scrollTop:0,
				scrollToView:'',
				msgList:[],
				msgImgList:[],
				myuid:0,
				
				//录音相关参数
				// #ifndef H5
				//H5不能录音
				RECORDER:uni.getRecorderManager(),
				// #endif
				isVoice:false,
				voiceTis:'按住 说话',
				recordTis:"手指上滑 取消发送",
				recording:false,
				willStop:false,
				initPoint:{identifier:0,Y:0},
				recordTimer:null,
				recordLength:0,
				
				//播放语音相关参数
				AUDIO:uni.createInnerAudioContext(),
				playMsgid:null,
				VoiceTimer:null,
				// 抽屉参数
				popupLayerClass:'',
				// more参数
				hideMore:true,
				//表情定义
				hideEmoji:true,
				emojiList:[
					[{"url":"100.gif",alt:"[微笑]"},{"url":"101.gif",alt:"[伤心]"},{"url":"102.gif",alt:"[美女]"},{"url":"103.gif",alt:"[发呆]"},{"url":"104.gif",alt:"[墨镜]"},{"url":"105.gif",alt:"[哭]"},{"url":"106.gif",alt:"[羞]"},{"url":"107.gif",alt:"[哑]"},{"url":"108.gif",alt:"[睡]"},{"url":"109.gif",alt:"[哭]"},{"url":"110.gif",alt:"[囧]"},{"url":"111.gif",alt:"[怒]"},{"url":"112.gif",alt:"[调皮]"},{"url":"113.gif",alt:"[笑]"},{"url":"114.gif",alt:"[惊讶]"},{"url":"115.gif",alt:"[难过]"},{"url":"116.gif",alt:"[酷]"},{"url":"117.gif",alt:"[汗]"},{"url":"118.gif",alt:"[抓狂]"},{"url":"119.gif",alt:"[吐]"},{"url":"120.gif",alt:"[笑]"},{"url":"121.gif",alt:"[快乐]"},{"url":"122.gif",alt:"[奇]"},{"url":"123.gif",alt:"[傲]"}],
					[{"url":"124.gif",alt:"[饿]"},{"url":"125.gif",alt:"[累]"},{"url":"126.gif",alt:"[吓]"},{"url":"127.gif",alt:"[汗]"},{"url":"128.gif",alt:"[高兴]"},{"url":"129.gif",alt:"[闲]"},{"url":"130.gif",alt:"[努力]"},{"url":"131.gif",alt:"[骂]"},{"url":"132.gif",alt:"[疑问]"},{"url":"133.gif",alt:"[秘密]"},{"url":"134.gif",alt:"[乱]"},{"url":"135.gif",alt:"[疯]"},{"url":"136.gif",alt:"[哀]"},{"url":"137.gif",alt:"[鬼]"},{"url":"138.gif",alt:"[打击]"},{"url":"139.gif",alt:"[bye]"},{"url":"140.gif",alt:"[汗]"},{"url":"141.gif",alt:"[抠]"},{"url":"142.gif",alt:"[鼓掌]"},{"url":"143.gif",alt:"[糟糕]"},{"url":"144.gif",alt:"[恶搞]"},{"url":"145.gif",alt:"[什么]"},{"url":"146.gif",alt:"[什么]"},{"url":"147.gif",alt:"[累]"}],
					[{"url":"148.gif",alt:"[看]"},{"url":"149.gif",alt:"[难过]"},{"url":"150.gif",alt:"[难过]"},{"url":"151.gif",alt:"[坏]"},{"url":"152.gif",alt:"[亲]"},{"url":"153.gif",alt:"[吓]"},{"url":"154.gif",alt:"[可怜]"},{"url":"155.gif",alt:"[刀]"},{"url":"156.gif",alt:"[水果]"},{"url":"157.gif",alt:"[酒]"},{"url":"158.gif",alt:"[篮球]"},{"url":"159.gif",alt:"[乒乓]"},{"url":"160.gif",alt:"[咖啡]"},{"url":"161.gif",alt:"[美食]"},{"url":"162.gif",alt:"[动物]"},{"url":"163.gif",alt:"[鲜花]"},{"url":"164.gif",alt:"[枯]"},{"url":"165.gif",alt:"[唇]"},{"url":"166.gif",alt:"[爱]"},{"url":"167.gif",alt:"[分手]"},{"url":"168.gif",alt:"[生日]"},{"url":"169.gif",alt:"[电]"},{"url":"170.gif",alt:"[炸弹]"},{"url":"171.gif",alt:"[刀子]"}],
					[{"url":"172.gif",alt:"[足球]"},{"url":"173.gif",alt:"[瓢虫]"},{"url":"174.gif",alt:"[翔]"},{"url":"175.gif",alt:"[月亮]"},{"url":"176.gif",alt:"[太阳]"},{"url":"177.gif",alt:"[礼物]"},{"url":"178.gif",alt:"[抱抱]"},{"url":"179.gif",alt:"[拇指]"},{"url":"180.gif",alt:"[贬低]"},{"url":"181.gif",alt:"[握手]"},{"url":"182.gif",alt:"[剪刀手]"},{"url":"183.gif",alt:"[抱拳]"},{"url":"184.gif",alt:"[勾引]"},{"url":"185.gif",alt:"[拳头]"},{"url":"186.gif",alt:"[小拇指]"},{"url":"187.gif",alt:"[拇指八]"},{"url":"188.gif",alt:"[食指]"},{"url":"189.gif",alt:"[ok]"},{"url":"190.gif",alt:"[情侣]"},{"url":"191.gif",alt:"[爱心]"},{"url":"192.gif",alt:"[蹦哒]"},{"url":"193.gif",alt:"[颤抖]"},{"url":"194.gif",alt:"[怄气]"},{"url":"195.gif",alt:"[跳舞]"}],
					[{"url":"196.gif",alt:"[发呆]"},{"url":"197.gif",alt:"[背着]"},{"url":"198.gif",alt:"[伸手]"},{"url":"199.gif",alt:"[耍帅]"},{"url":"200.png",alt:"[微笑]"},{"url":"201.png",alt:"[生病]"},{"url":"202.png",alt:"[哭泣]"},{"url":"203.png",alt:"[吐舌]"},{"url":"204.png",alt:"[迷糊]"},{"url":"205.png",alt:"[瞪眼]"},{"url":"206.png",alt:"[恐怖]"},{"url":"207.png",alt:"[忧愁]"},{"url":"208.png",alt:"[眨眉]"},{"url":"209.png",alt:"[闭眼]"},{"url":"210.png",alt:"[鄙视]"},{"url":"211.png",alt:"[阴暗]"},{"url":"212.png",alt:"[小鬼]"},{"url":"213.png",alt:"[礼物]"},{"url":"214.png",alt:"[拜佛]"},{"url":"215.png",alt:"[力量]"},{"url":"216.png",alt:"[金钱]"},{"url":"217.png",alt:"[蛋糕]"},{"url":"218.png",alt:"[彩带]"},{"url":"219.png",alt:"[礼物]"},]				
				],
				//红包相关参数
				windowsState:'',
				redenvelopeData:{
					rid:null,	//红包ID
					from:null,
					face:null,
					blessing:null,
					money:null
				}
			};
		},
		onLoad(options) {
			this.userId=options.userId?options.userId:'';
			this.getMsgList();
			this.getUserInfo();
			this.getOtherInfo();
			this.polling();
			
			//语音自然播放结束
			this.AUDIO.onEnded((res)=>{
				this.playMsgid=null;
			});
			// #ifndef H5
			//录音开始事件
			this.RECORDER.onStart((e)=>{
				this.recordBegin(e);
			})
			//录音结束事件
			this.RECORDER.onStop((e)=>{
				this.recordEnd(e);
			})
			// #endif
		},
		onShow(){
			this.scrollTop = 9999999;
		},
		onUnload(){
			clearInterval(this.pollingInterval)
		},
		methods:{
			async getUserInfo(){
				//获取用户信息
				let params={
					user_token:uni.getStorageSync('userToken')
				}
				let res=await this.$api.getUserInfo(params);
				if(res.data.level=='success'){
					this.userInfo=res.data.data.user_info
				}
			},
			async getOtherInfo(){
				//获取用户信息
				let params={
					user_token:uni.getStorageSync('userToken'),
					user_id:this.userId
				}
				let res=await this.$api.getUserInfo(params);
				if(res.data.level=='success'){
					let nickname=res.data.data.user_info.nickname
					wx.setNavigationBarTitle({
					  title: nickname
					})
				}
			},
			
			
			// 接受消息(筛选处理)
			screenMsg(msg){
				//从长连接处转发给这个方法，进行筛选处理
				if(msg.type=='system'){
					// 系统消息
					switch (msg.msg.type){
						case 'text':
							this.addSystemTextMsg(msg);
							break;
						case 'redEnvelope':
							this.addSystemRedEnvelopeMsg(msg);
							break;
					}
				}else if(msg.type=='user'){
					// 用户消息
					switch (msg.msg.type){
						case 'text':
							this.addTextMsg(msg);
							break;
						case 'voice':
							this.addVoiceMsg(msg);
							break;
						case 'img':
							this.addImgMsg(msg);
							break;
						case 'redEnvelope':
							this.addRedEnvelopeMsg(msg);
							break;
					}
					console.log('用户消息');
					//非自己的消息震动
					if(msg.msg.userinfo.uid!=this.myuid){
						console.log('振动');
						uni.vibrateLong();
					}
				}
				this.$nextTick(function() {
					// 滚动到底
					// this.scrollToView = 'msg'+msg.msg.id
					this.scrollTop=999999
				});
			},
			
			//触发滑动到顶部(加载历史信息记录)
			loadHistory(e){
				if(this.isHistoryLoading){
					return ;
				}
				this.isHistoryLoading = true;//参数作为进入请求标识，防止重复请求
				this.scrollAnimation = false;//关闭滑动动画
				let Viewid = this.msgList[0].msg.id;//记住第一个信息ID
				//本地模拟请求历史记录效果
				setTimeout(async()=>{
					// 消息列表
					// let list = [
						// {type:"user",msg:{id:1,type:"text",time:"12:56",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{text:"为什么温度会相差那么大？"}}},
						// {type:"user",msg:{id:2,type:"text",time:"12:57",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{text:"这个是有偏差的，两个温度相差十几二十度是很正常的，如果相差五十度，那即是质量问题了。"}}},
						// {type:"user",msg:{id:3,type:"voice",time:"12:59",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{url:"/static/voice/1.mp3",length:"00:06"}}},
						// {type:"user",msg:{id:4,type:"voice",time:"13:05",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{url:"/static/voice/2.mp3",length:"00:06"}}},
					// ]
					this.page=++this.page
					let list=await this.getMsgListHandle()
					if(list.length==0){
						this.showLoadingFlag=false;
						return
					}
					// 获取消息中的图片,并处理显示尺寸
					for(let i=0;i<list.length;i++){
						if(list[i].type=='user'&&list[i].msg.type=="img"){
							list[i].msg.content = this.setPicSize(list[i].msg.content);
							this.msgImgList.unshift(list[i].msg.content.url);
						}
						// list[i].msg.id = Math.floor(Math.random()*1000+1);
						this.msgList.unshift(list[i]);
					}
					
					
					//这段代码很重要，不然每次加载历史数据都会跳到顶部

					this.$nextTick(function() {
						this.scrollToView = 'msg'+Viewid;//跳转上次的第一行信息位置
						this.$nextTick(function() {
							this.scrollAnimation = true;//恢复滚动动画
						});
						
					});
					this.isHistoryLoading = false;
					
				},1000)
			},
			// 加载初始页面消息
			async getMsgListHandle(page){
				let params={
					limit:10,
					page:page||this.page,
					user_id:this.userId,
					user_token:uni.getStorageSync('userToken')
				}
				let res=await this.$api.getChatMessage(params);
				let list=null
				if(res.data.level=='success'){
					list=res.data.data.map(item=>{
						let obj={
							type:'',
							msg:{
								id:'',
								type:'',
								time:'',
								userinfo:{
									uid:'',
									username:'',
									face:''
								},
								content:{
									
								}
							},
							
						};
						let msg,userinfo,content={}
						let contentType=item.message_type=='text'?'text':'url';
						
						obj.type="user";
						msg={
							id:item.rank,
							type:item.message_type,
							time:this.formatTime(item.created_at)
						}
						userinfo={
							uid:item.user_position,
							username:item.nickname,
							face:item.photo_url
						}
						
						
						content={
							[contentType]:item.content,
							w:item.width,
							h:item.height
						}
						
						
						msg.userinfo=userinfo;
						msg.content=content;
						obj.msg=msg;
						
						return obj
					})
				}
				return list
			},
			formatTime(time){
				let timeArr=time.split(' ');
				let normalizeYear=timeArr[0].split('-');
				let normalizeTime=timeArr[1].split(':');
				return `${normalizeYear[1]}-${normalizeYear[2]} ${normalizeTime[0]}:${normalizeTime[1]}`
			},
			async getMsgList(){
				// 消息列表
				let list =await this.getMsgListHandle()
				
				console.log(list)
				
				// list = [
					// {type:"system",msg:{id:0,type:"text",content:{text:"欢迎进入HM-chat聊天室"}}},
					// {type:"user",msg:{id:1,type:"text",time:"12:56",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{text:"为什么温度会相差那么大？"}}},
					// {type:"user",msg:{id:2,type:"text",time:"12:57",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{text:"这个是有偏差的，两个温度相差十几二十度是很正常的，如果相差五十度，那即是质量问题了。"}}},
					// {type:"user",msg:{id:3,type:"voice",time:"12:59",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{url:"/static/voice/1.mp3",length:"00:06"}}},
					// {type:"user",msg:{id:4,type:"voice",time:"13:05",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{url:"/static/voice/2.mp3",length:"00:06"}}},
					// {type:"user",msg:{id:5,type:"img",time:"13:05",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{url:"/static/img/p10.jpg",w:200,h:200}}},
					// {type:"user",msg:{id:6,type:"img",time:"12:59",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{url:"/static/img/q.jpg",w:1920,h:1080}}},
					// {type:"system",msg:{id:7,type:"text",content:{text:"欢迎进入HM-chat聊天室"}}},
					
					// {type:"system",msg:{id:9,type:"redEnvelope",content:{text:"售后客服008领取了你的红包"}}},
					// {type:"user",msg:{id:10,type:"redEnvelope",time:"12:56",userinfo:{uid:0,username:"大黑哥",face:"/static/img/face.jpg"},content:{blessing:"恭喜发财，大吉大利，万事如意",rid:0,isReceived:false}}},
					// {type:"user",msg:{id:11,type:"redEnvelope",time:"12:56",userinfo:{uid:1,username:"售后客服008",face:"/static/img/im/face/face_2.jpg"},content:{blessing:"恭喜发财",rid:1,isReceived:false}}},
				// ]
				
					
				// 获取消息中的图片,并处理显示尺寸
				for(let i=0;i<list.length;i++){
					if(list[i].type=='user'&&list[i].msg.type=="img"){
						list[i].msg.content = this.setPicSize(list[i].msg.content);
						this.msgImgList.push(list[i].msg.content.url);
					}
				}
				this.msgList = list;
				if(list.length>=10){
					this.showLoadingFlag=true
				}else{
					this.showLoadingFlag=false
				}
				// 滚动到底部
				this.$nextTick(function() {
					//进入页面滚动到底部
					this.scrollTop = 9999;
					this.$nextTick(function() {
						this.scrollAnimation = true;
					});
					
				});
			},
			//处理图片尺寸，如果不处理宽高，新进入页面加载图片时候会闪
			setPicSize(content){
				// 让图片最长边等于设置的最大长度，短边等比例缩小，图片控件真实改变，区别于aspectFit方式。
				let maxW = uni.upx2px(350);//350是定义消息图片最大宽度
				let maxH = uni.upx2px(350);//350是定义消息图片最大高度
				if(content.w>maxW||content.h>maxH){
					let scale = content.w/content.h;
					content.w = scale>1?maxW:maxH*scale;
					content.h = scale>1?maxW/scale:maxH;
				}
				return content;
			},
			
			//更多功能(点击+弹出) 
			showMore(){
				this.isVoice = false;
				this.hideEmoji = true;
				if(this.hideMore){
					this.hideMore = false;
					this.openDrawer();
				}else{
					this.hideDrawer();
				}
			},
			// 打开抽屉
			openDrawer(){
				this.popupLayerClass = 'showLayer';
			},
			// 隐藏抽屉
			hideDrawer(){
				this.popupLayerClass = '';
				setTimeout(()=>{
					this.hideMore = true;
					this.hideEmoji = true;
				},150);
			},
			// 选择图片发送
			chooseImage(){
				this.getImage('album');
			},
			//拍照发送
			camera(){
				this.getImage('camera');
			},
			//发红包
			handRedEnvelopes(){
				uni.navigateTo({
					url:'HM-hand/HM-hand'
				});
				this.hideDrawer();
			},
			//选照片 or 拍照
			getImage(type){
				this.hideDrawer();
				uni.chooseImage({
					sourceType:[type],
					count:1,
					sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
					success: async(res)=>{
						for(let i=0;i<res.tempFilePaths.length;i++){
							uni.getImageInfo({
								src: res.tempFilePaths[i],
								success: async(image)=>{
									console.log(image.width);
									console.log(image.height);
									let imgMsg=this.uploadFile(res.tempFilePaths[i],image)
									
								}
							});
						}
					},
					complete:()=>{
					}
					
				});
			},
			uploadFile(url,image){
				//上传图片到线上
				wx.showLoading()
				let _this=this
				wx.uploadFile({
				    url:`${this.$api.BASE_URL}file/upload-img`,
				    filePath:url,
				    name:"photo",
				    header: {
				    'content-type': 'application/json' // 默认值
				    },
				    success:data=>{
				      
				      let res=JSON.parse(data.data);
					  
					  let msg = {url:res.data.img_url,id:res.data.id,w:image.width,h:image.height};
					  _this.sendMsg(msg,'img');
					  
					  wx.hideLoading()
				      if(data.level!='success'){
				      	uni.showToast({
				      		title:data.message,
				      		icon:'none'
				      	})
				      	return
				      }
				    },
				    fail:err=>{
				      wx.hideLoading()
				    }
				  })
			},
			// 选择表情
			chooseEmoji(){
				this.hideMore = true;
				if(this.hideEmoji){
					this.hideEmoji = false;
					this.openDrawer();
				}else{
					this.hideDrawer();
				}
			},
			//添加表情
			addEmoji(em){
				this.textMsg+=em.alt;
			},
			
			//获取焦点，如果不是选表情ing,则关闭抽屉
			textareaFocus(){
				if(this.popupLayerClass=='showLayer' && this.hideMore == false){
					this.hideDrawer();
				}
			},
			// 发送文字消息
			sendText(){
				this.hideDrawer();//隐藏抽屉
				if(!this.textMsg){
					return;
				}
				let content = this.replaceEmoji(this.textMsg);
				let msg = {text:content}
				this.sendMsg(msg,'text');
				this.textMsg = '';//清空输入框
			},
			//替换表情符号为图片
			replaceEmoji(str){
				let replacedStr = str.replace(/\[([^(\]|\[)]*)\]/g,(item, index)=>{
					console.log("item: " + item);
					for(let i=0;i<this.emojiList.length;i++){
						let row = this.emojiList[i];
						for(let j=0;j<row.length;j++){
							let EM = row[j];
							if(EM.alt==item){
								//在线表情路径，图文混排必须使用网络路径，请上传一份表情到你的服务器后再替换此路径 
								//比如你上传服务器后，你的100.gif路径为https://www.xxx.com/emoji/100.gif 则替换onlinePath填写为https://www.xxx.com/emoji/

								let onlinePath = 'https://rzkeji.oss-cn-shenzhen.aliyuncs.com/web/bbMachine/emoji/'
								let imgstr = '<img src="'+onlinePath+EM.url+'">';
								console.log("imgstr: " + imgstr);
								return imgstr;
							}
						}
					}
				});
				return '<div style="display: flex;align-items: center;word-wrap:break-word;">'+replacedStr+'</div>';
			},
			
			// 发送消息
			sendMsg(content,type){
				console.log(content,type)
				var nowDate = new Date();
				let rank=this.msgList.length!=0?this.msgList[this.msgList.length-1].msg.id:0
				let lastid=++rank;
				let msg = {
					type:'user',
					msg:{
						id:lastid,
						time:nowDate.getHours()+":"+nowDate.getMinutes(),
						type:type,
						userinfo:{
								uid:0,
								username:this.userInfo.nickname,
								face:this.userInfo.photo_url,
						},
						content:content,
						},
					}
				// 发送消息
				this.sendChatMessage(content,type,lastid)
				this.screenMsg(msg);

			},
			
			 async sendChatMessage(content,type,lastid){
				//把信息发给后台
				
				let CONTENT=type=='text'?content.text:content.url;
				
				let params={
					user_token:uni.getStorageSync('userToken'),
					user_id:this.userId,
					content:CONTENT,
					width:content.w,
					height:content.h,
					type
				}

				let res=await this.$api.sendChatMessage(params);
			},
			async getMessageStatus(){
				//轮询最新信息
				let res=await this.$api.getMessageStatus({
					user_token:uni.getStorageSync('userToken'),
					user_id:this.userId,
					rank:this.msgList.length!=0?this.msgList[this.msgList.length-1].msg.id:0
				})
				if(res.data.data==1){
						let list =await this.getMsgListHandle(1)

						// 获取消息中的图片,并处理显示尺寸
						for(let i=0;i<list.length;i++){
							if(list[i].type=='user'&&list[i].msg.type=="img"){
								list[i].msg.content = this.setPicSize(list[i].msg.content);
								this.msgImgList.push(list[i].msg.content.url);
							}
						}
						if(this.page==1){
							//第一页时候不合并
							this.msgList=list
							this.$nextTick(function() {
								// 		// 滚动到底
								this.scrollTop = 9999999;
								});
							return
						}
						if(this.msgList.length>=10){
							let arr=this.msgList.splice(0,9)
							this.msgList =[...arr,...list]
							 ;
						}else{
							this.msgList = list;
						}
						this.$nextTick(function() {
							// 		// 滚动到底
							this.scrollTop = 9999999;
							});
					
				}
				
			},
			polling(){
				//轮询
				this.pollingInterval=setInterval(()=>{
					this.getMessageStatus()
				},5000)
			},
			
			
			// 添加文字消息到列表
			addTextMsg(msg){
				this.msgList.push(msg);
			},
			// 添加语音消息到列表
			addVoiceMsg(msg){
				this.msgList.push(msg);
			},
			// 添加图片消息到列表
			addImgMsg(msg){
				msg.msg.content = this.setPicSize(msg.msg.content);
				this.msgImgList.push(msg.msg.content.url);
				this.msgList.push(msg);
			},
			addRedEnvelopeMsg(msg){
				this.msgList.push(msg);
			},
			// 添加系统文字消息到列表
			addSystemTextMsg(msg){
				this.msgList.push(msg);
			},
			// 添加系统红包消息到列表
			addSystemRedEnvelopeMsg(msg){
				this.msgList.push(msg);
			},
			// 打开红包
			openRedEnvelope(msg,index){
				let rid = msg.content.rid;
				uni.showLoading({
					title:'加载中...'
				});
				console.log("index: " + index);
				//模拟请求服务器效果
				setTimeout(()=>{
					//加载数据
					if(rid==0){
						this.redenvelopeData={
							rid:0,	//红包ID
							from:"大黑哥",
							face:"/static/img/im/face/face.jpg",
							blessing:"恭喜发财，大吉大利",
							money:"已领完"
						}
					}else{
						this.redenvelopeData={
							rid:1,	//红包ID
							from:"售后客服008",
							face:"/static/img/im/face/face_2.jpg",
							blessing:"恭喜发财",
							money:"0.01"
						}
						if(!msg.content.isReceived){
							// {type:"system",msg:{id:8,type:"redEnvelope",content:{text:"你领取了售后客服008的红包"}}},
							this.sendSystemMsg({text:"你领取了"+(msg.userinfo.uid==this.myuid?"自己":msg.userinfo.username)+"的红包"},'redEnvelope');
							console.log("this.msgList[index]: " + JSON.stringify(this.msgList[index]));
							this.msgList[index].msg.content.isReceived = true;
						}
					}
					uni.hideLoading();
					this.windowsState = 'show';
					
				},200)
				
			},
			// 关闭红包弹窗
			closeRedEnvelope(){
				this.windowsState = 'hide';
				setTimeout(()=>{
					this.windowsState = '';
				},200)
			},
			sendSystemMsg(content,type){
				let lastid = this.msgList[this.msgList.length-1].msg.id;
				lastid++;
				let row = {type:"system",msg:{id:lastid,type:type,content:content}};
				this.screenMsg(row)
			},
			//领取详情
			toDetails(rid){
				uni.navigateTo({
					url:'HM-details/HM-details?rid='+rid
				})
			},
			// 预览图片
			showPic(msg){
				uni.previewImage({
					indicator:"none",
					current:msg.content.url,
					urls: this.msgImgList,
					complete:()=>{
					}
				});
			},
			// 播放语音
			playVoice(msg){
				this.playMsgid=msg.id;
				this.AUDIO.src = msg.content.url;
				this.$nextTick(function() {
					this.AUDIO.play();
				});
			},
			// 录音开始
			voiceBegin(e){
				if(e.touches.length>1){
					return ;
				}
				this.initPoint.Y = e.touches[0].clientY;
				this.initPoint.identifier = e.touches[0].identifier;
				this.RECORDER.start({format:"mp3"});//录音开始,
			},
			//录音开始UI效果
			recordBegin(e){
				this.recording = true;
				this.voiceTis='松开 结束';
				this.recordLength = 0;
				this.recordTimer = setInterval(()=>{
					this.recordLength++;
				},1000)
			},
			// 录音被打断
			voiceCancel(){
				this.recording = false;
				this.voiceTis='按住 说话';
				this.recordTis = '手指上滑 取消发送'
				this.willStop = true;//不发送录音
				this.RECORDER.stop();//录音结束
			},
			// 录音中(判断是否触发上滑取消发送)
			voiceIng(e){
				if(!this.recording){
					return;
				}
				let touche = e.touches[0];
				//上滑一个导航栏的高度触发上滑取消发送
				if(this.initPoint.Y - touche.clientY>=uni.upx2px(100)){
					this.willStop = true;
					this.recordTis = '松开手指 取消发送'
				}else{
					this.willStop = false;
					this.recordTis = '手指上滑 取消发送'
				}
			},
			// 结束录音
			voiceEnd(e){
				if(!this.recording){
					return;
				}
				this.recording = false;
				this.voiceTis='按住 说话';
				this.recordTis = '手指上滑 取消发送'
				this.RECORDER.stop();//录音结束
			},
			//录音结束(回调文件)
			recordEnd(e){
				clearInterval(this.recordTimer);
				if(!this.willStop){
					console.log("e: " + JSON.stringify(e));
					let msg = {
						length:0,
						url:e.tempFilePath
					}
					let min = parseInt(this.recordLength/60);
					let sec = this.recordLength%60;
					min = min<10?'0'+min:min;
					sec = sec<10?'0'+sec:sec;
					msg.length = min+':'+sec;
					this.sendMsg(msg,'voice');
				}else{
					console.log('取消发送录音');
				}
				this.willStop = false;
			},
			// 切换语音/文字输入
			switchVoice(){
				this.hideDrawer();
				this.isVoice = this.isVoice?false:true;
			},
			discard(){
				return;
			}
		}
	}
</script>
<style lang="scss">
	@import "@/static/HM-chat/css/style.scss"; 
	.smileBtn{
		width: 60rpx;
		height: 60rpx;
	}
</style>